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Online Tests
Mathematics 9th Class English Medium Unit 6 Online Test MCQs With Answers
Question # 1
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Question # 2
H.C.F of 39x
7
y
3
z and 91x
5
y
6
z
7
is:
Choose an answer
13x
7
y
6
z
2
13x
5
y
3
z
91x
5
y
6
z
2
91x
5
y
3
z
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Question # 3
To find HCF, we use following method:
Choose an answer
By factorization
By division
Both a and b
None
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Question # 4
If two are more algebraic expression are given then their common factors of highest power is called of the expressions:
Choose an answer
LCM
HCF
Multiplication
Square root
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Question # 5
We can find square root by the method
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By factorization
By division
Both a and b
None
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Question # 6
H.C.F of x-2 and x
2
+x-6 is _______:
Choose an answer
x
2
+x-6
x+3
x-2
x+2
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Question # 7
HCF of 5x
2
y
2
and 20x
3
y
3
is:
Choose an answer
5x
2
y
2
20x
3
y
3
10x
5
y
5
5xy
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Question # 8
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Question # 9
HCF of p
3
q-pq
3
and p
5
q
2
-p
2
q
5
is:
Choose an answer
pq(p
2
-q
2
)
pq(p-q)
p
2
q
2
(p-q)
pq(p
3
-q
3
)
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Question # 10
H.C.F of x
2
-4 and 2x
2
+x-6:
Choose an answer
(x-2)
(x+2)
(2x-3)
(x+2)(2x-3)
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Question # 11
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Question # 12
HCF of x-2 and x+x-6 is:
Choose an answer
x
2
+x-6
x+3
x-2
x+2
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Question # 13
The product of two algebraic expressions is equal to the _________ of their HCF and LCM:
Choose an answer
Sum
Difference
Product
Quotient
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Question # 14
H.C.F of 5x
2
y
2
and 20x
3
y
3
is __________
Choose an answer
5x
2
y
2
20x
3
y
3
100x
5
y
5
5xy
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Question # 15
HCF of a
3
+b
3
and a
2
-ab+b
2
is:
Choose an answer
a+b
a
2
-ab+b
2
(a-b)
2
a
2
+b
2
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